APA (7th ed.) Citation

Valant, J., & Wagner, R. (2017). 'An island with its capital in Cologne': The British Empire's occupation of Cologne, 1918 - 1926. Konrad der Große.

Chicago Style (17th ed.) Citation

Valant, Julian, and Rita Wagner. "'An Island with Its Capital in Cologne': The British Empire's Occupation of Cologne, 1918 - 1926." Konrad Der Große 2017.

MLA (8th ed.) Citation

Valant, Julian, and Rita Wagner. "'An Island with Its Capital in Cologne': The British Empire's Occupation of Cologne, 1918 - 1926." Konrad Der Große, 2017.